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33230121211 = 721574319527
BaseRepresentation
bin11110111100101010…
…110110100011111011
310011202212100001200001
4132330222312203323
51021023402334321
623133220453431
72254321240600
oct367452664373
9104685301601
1033230121211
111310259a9a1
12653484a277
13319764bb21
1418734346a7
15ce74c6c91
hex7bcab68fb

33230121211 has 12 divisors (see below), whose sum is σ = 38901669168. Its totient is φ = 28301534352.

The previous prime is 33230121191. The next prime is 33230121233. The reversal of 33230121211 is 11212103233.

It is not a de Polignac number, because 33230121211 - 213 = 33230113019 is a prime.

It is a super-2 number, since 2×332301212112 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33230121241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2152071 + ... + 2167456.

It is an arithmetic number, because the mean of its divisors is an integer number (3241805764).

Almost surely, 233230121211 is an apocalyptic number.

33230121211 is a deficient number, since it is larger than the sum of its proper divisors (5671547957).

33230121211 is a wasteful number, since it uses less digits than its factorization.

33230121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4319698 (or 4319691 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 33230121211 its reverse (11212103233), we get a palindrome (44442224444).

The spelling of 33230121211 in words is "thirty-three billion, two hundred thirty million, one hundred twenty-one thousand, two hundred eleven".

Divisors: 1 7 49 157 1099 7693 4319527 30236689 211656823 678165739 4747160173 33230121211